Form 4 Tracker
Michael W. Flanagan

Chief Scientific Officer; Director · 3 filings · Latest: Feb 27, 2026

Atrium Therapeutics, Inc.
Avidity Biosciences, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
RNA
Michael W. FlanaganChief Scientific OfficerJan 21, 2026
Sale
$72.456,534$473.4K85,093
RNA
WILLIAM MICHAEL FLANAGANSep 11, 2025
Proposed Sale
$46.4020,000$928.0K
RNA
WILLIAM MICHAEL FLANAGANJun 11, 2025
Proposed Sale
$33.6220,000$672.4K
RNA
WILLIAM MICHAEL FLANAGANMar 11, 2025
Proposed Sale
$30.0420,000$600.8K
RNA
W. MICHAEL FLANAGANDec 11, 2024
Proposed Sale
$36.1024,000$866.4K
RNA
WILLIAM MICHAEL FLANAGANOct 1, 2024
Proposed Sale
$45.9338,018$1.7M
RNA
WILLIAM MICHAEL FLANAGANSep 23, 2024
Proposed Sale
$44.4836,329$1.6M
RNA
WILLIAM MICHAEL FLANAGANSep 11, 2024
Proposed Sale
$40.79111,394$4.5M
Michael W. Flanagan — Insider Trading Activity | LevelFields AI